NGinn.BPM - a BPM / Workflow engine for Microsoft.Net
It's a lightweight workflow manager based on Petri nets and taking some ideas from BPMN. NGinn BPM helps automate business processes in large organizations, such as telecoms, by enabling to build workflows that coordinate human work and flow of data between
applications. The main goals of NGInn design are elasticity, simplicity and ease of integration.
It's a permanent work in progress project with some production deployments. Developed mainly in C# and using MS SQL as a database backend.
nginn-messagebus - [url:http://code.google.com/p/nginn-messagebus] - publish-subscribe message bus based on SQL Server
nginn-exchange - [url:http://code.google.com/p/nginn-exchange] - MS Exchange integration framework
Visit the NGinn BPM Blog